The causes of baby’s gastrointestinal discomfort and vomiting include improper diet, catching cold and acute gastroenteritis, etc. Symptoms can be improved by general treatment and medication such as penicillin and aluminum thioglycollate. 1. General treatment: pay attention to light diet, avoid spicy and greasy food, pay attention to dietary hygiene, eat more vegetables and fruits, get enough rest, pay attention to keep warm. 2. Drug treatment: patients with acute gastroenteritis can take antibiotics such as ceftazidime, penicillin and other drugs to control bacterial infections; you can also take drugs to protect the gastric mucosa, such as aluminum thioglycollate; you can take bifidobacteria and other drugs to regulate intestinal flora. Drugs need to be used in accordance with medical advice, the emergence of adverse reactions need to be timely consultation, drug allergy is prohibited. Therefore, when the baby has gastrointestinal discomfort and vomiting, it is necessary to go to the hospital in time to receive examination and active treatment.